./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2_false-valid-memtrack_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2d1f3503-a053-469f-a60a-37e466f8aacc/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2d1f3503-a053-469f-a60a-37e466f8aacc/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2d1f3503-a053-469f-a60a-37e466f8aacc/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2d1f3503-a053-469f-a60a-37e466f8aacc/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_2d1f3503-a053-469f-a60a-37e466f8aacc/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2d1f3503-a053-469f-a60a-37e466f8aacc/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 65e8bd283dc6e7975e65fd77e71d60d8f5feae6e ................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2d1f3503-a053-469f-a60a-37e466f8aacc/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2d1f3503-a053-469f-a60a-37e466f8aacc/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2d1f3503-a053-469f-a60a-37e466f8aacc/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2d1f3503-a053-469f-a60a-37e466f8aacc/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2_false-valid-memtrack_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_2d1f3503-a053-469f-a60a-37e466f8aacc/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2d1f3503-a053-469f-a60a-37e466f8aacc/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 65e8bd283dc6e7975e65fd77e71d60d8f5feae6e ................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 18:23:10,727 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 18:23:10,728 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 18:23:10,737 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 18:23:10,737 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 18:23:10,737 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 18:23:10,738 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 18:23:10,739 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 18:23:10,739 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 18:23:10,740 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 18:23:10,740 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 18:23:10,741 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 18:23:10,741 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 18:23:10,742 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 18:23:10,742 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 18:23:10,742 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 18:23:10,743 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 18:23:10,744 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 18:23:10,746 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 18:23:10,747 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 18:23:10,747 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 18:23:10,748 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 18:23:10,750 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 18:23:10,750 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 18:23:10,750 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 18:23:10,751 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 18:23:10,751 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 18:23:10,751 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 18:23:10,752 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 18:23:10,752 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 18:23:10,752 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 18:23:10,753 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 18:23:10,753 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 18:23:10,753 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 18:23:10,753 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 18:23:10,754 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 18:23:10,754 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2d1f3503-a053-469f-a60a-37e466f8aacc/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2018-12-02 18:23:10,761 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 18:23:10,761 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 18:23:10,762 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 18:23:10,762 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 18:23:10,762 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 18:23:10,762 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 18:23:10,763 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 18:23:10,763 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 18:23:10,763 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 18:23:10,763 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 18:23:10,763 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 18:23:10,763 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 18:23:10,764 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 18:23:10,764 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 18:23:10,764 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 18:23:10,764 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 18:23:10,765 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 18:23:10,765 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 18:23:10,765 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 18:23:10,765 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 18:23:10,765 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 18:23:10,765 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-02 18:23:10,765 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-02 18:23:10,766 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-02 18:23:10,766 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 18:23:10,766 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 18:23:10,766 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 18:23:10,766 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 18:23:10,766 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 18:23:10,767 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 18:23:10,767 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 18:23:10,767 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 18:23:10,767 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 18:23:10,767 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 18:23:10,767 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 18:23:10,767 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 18:23:10,768 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_2d1f3503-a053-469f-a60a-37e466f8aacc/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65e8bd283dc6e7975e65fd77e71d60d8f5feae6e [2018-12-02 18:23:10,788 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 18:23:10,795 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 18:23:10,797 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 18:23:10,798 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 18:23:10,798 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 18:23:10,799 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2d1f3503-a053-469f-a60a-37e466f8aacc/bin-2019/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2_false-valid-memtrack_true-termination.i [2018-12-02 18:23:10,833 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2d1f3503-a053-469f-a60a-37e466f8aacc/bin-2019/utaipan/data/be8617d4f/a111ffa62cd5465aaee950a97353293f/FLAGe1b6cf8e3 [2018-12-02 18:23:11,292 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 18:23:11,293 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2d1f3503-a053-469f-a60a-37e466f8aacc/sv-benchmarks/c/ldv-memsafety/memleaks_test9_2_false-valid-memtrack_true-termination.i [2018-12-02 18:23:11,302 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2d1f3503-a053-469f-a60a-37e466f8aacc/bin-2019/utaipan/data/be8617d4f/a111ffa62cd5465aaee950a97353293f/FLAGe1b6cf8e3 [2018-12-02 18:23:11,313 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2d1f3503-a053-469f-a60a-37e466f8aacc/bin-2019/utaipan/data/be8617d4f/a111ffa62cd5465aaee950a97353293f [2018-12-02 18:23:11,314 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 18:23:11,315 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 18:23:11,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 18:23:11,316 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 18:23:11,318 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 18:23:11,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:23:11" (1/1) ... [2018-12-02 18:23:11,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bf3e0cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:23:11, skipping insertion in model container [2018-12-02 18:23:11,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:23:11" (1/1) ... [2018-12-02 18:23:11,324 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 18:23:11,345 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 18:23:11,562 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:23:11,571 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 18:23:11,603 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:23:11,635 INFO L195 MainTranslator]: Completed translation [2018-12-02 18:23:11,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:23:11 WrapperNode [2018-12-02 18:23:11,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 18:23:11,635 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 18:23:11,635 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 18:23:11,636 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 18:23:11,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:23:11" (1/1) ... [2018-12-02 18:23:11,652 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:23:11" (1/1) ... [2018-12-02 18:23:11,658 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 18:23:11,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 18:23:11,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 18:23:11,658 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 18:23:11,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:23:11" (1/1) ... [2018-12-02 18:23:11,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:23:11" (1/1) ... [2018-12-02 18:23:11,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:23:11" (1/1) ... [2018-12-02 18:23:11,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:23:11" (1/1) ... [2018-12-02 18:23:11,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:23:11" (1/1) ... [2018-12-02 18:23:11,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:23:11" (1/1) ... [2018-12-02 18:23:11,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:23:11" (1/1) ... [2018-12-02 18:23:11,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 18:23:11,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 18:23:11,671 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 18:23:11,671 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 18:23:11,672 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:23:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2d1f3503-a053-469f-a60a-37e466f8aacc/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 18:23:11,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 18:23:11,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-02 18:23:11,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-02 18:23:11,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 18:23:11,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 18:23:11,703 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 18:23:11,703 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 18:23:11,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-02 18:23:11,703 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-02 18:23:11,703 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-02 18:23:11,703 INFO L130 BoogieDeclarations]: Found specification of procedure probe_9 [2018-12-02 18:23:11,704 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_9 [2018-12-02 18:23:11,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 18:23:11,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 18:23:11,805 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 18:23:11,806 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-02 18:23:11,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:23:11 BoogieIcfgContainer [2018-12-02 18:23:11,806 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 18:23:11,806 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 18:23:11,806 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 18:23:11,808 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 18:23:11,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:23:11" (1/3) ... [2018-12-02 18:23:11,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37b54302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:23:11, skipping insertion in model container [2018-12-02 18:23:11,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:23:11" (2/3) ... [2018-12-02 18:23:11,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37b54302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:23:11, skipping insertion in model container [2018-12-02 18:23:11,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:23:11" (3/3) ... [2018-12-02 18:23:11,811 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test9_2_false-valid-memtrack_true-termination.i [2018-12-02 18:23:11,817 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 18:23:11,821 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 18:23:11,831 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 18:23:11,846 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 18:23:11,846 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-02 18:23:11,846 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 18:23:11,846 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 18:23:11,846 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 18:23:11,846 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 18:23:11,846 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 18:23:11,847 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 18:23:11,855 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2018-12-02 18:23:11,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 18:23:11,861 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:23:11,862 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:23:11,863 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-02 18:23:11,866 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:23:11,866 INFO L82 PathProgramCache]: Analyzing trace with hash 1289478430, now seen corresponding path program 1 times [2018-12-02 18:23:11,868 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 18:23:11,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:23:11,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:23:11,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:23:11,903 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 18:23:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:23:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:23:11,968 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 18:23:11,976 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-02 18:23:11,981 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-02 18:23:11,982 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-02 18:23:11,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:23:11 BoogieIcfgContainer [2018-12-02 18:23:11,987 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 18:23:11,987 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 18:23:11,987 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 18:23:11,987 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 18:23:11,988 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:23:11" (3/4) ... [2018-12-02 18:23:11,990 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 18:23:11,990 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 18:23:11,990 INFO L168 Benchmark]: Toolchain (without parser) took 675.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 948.1 MB in the beginning and 1.0 GB in the end (delta: -82.5 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2018-12-02 18:23:11,991 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:23:11,992 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -129.0 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2018-12-02 18:23:11,992 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.51 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:23:11,992 INFO L168 Benchmark]: Boogie Preprocessor took 12.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 18:23:11,993 INFO L168 Benchmark]: RCFGBuilder took 134.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2018-12-02 18:23:11,993 INFO L168 Benchmark]: TraceAbstraction took 180.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-12-02 18:23:11,993 INFO L168 Benchmark]: Witness Printer took 2.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 18:23:11,995 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 319.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -129.0 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.51 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 134.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 180.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Witness Printer took 2.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 9 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 10 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1450]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1450. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1434] int *a9; VAL [\old(a9)=13, \old(a9)=12, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, a9={0:0}, ldv_global_msg_list={14:0}] [L1451] CALL entry_point() VAL [\old(a9)=0, \old(a9)=0, a9={0:0}, ldv_global_msg_list={14:0}] [L1445] CALL probe_9() VAL [\old(a9)=0, \old(a9)=0, a9={0:0}, ldv_global_msg_list={14:0}] [L1437] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(a9)=0, \old(a9)=0, \old(size)=4, a9={0:0}, ldv_global_msg_list={14:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(a9)=0, \old(a9)=0, \old(size)=4, \result={15:0}, a9={0:0}, ldv_global_msg_list={14:0}, malloc(size)={15:0}, size=4] [L1437] RET, EXPR ldv_malloc(sizeof(int)) VAL [\old(a9)=0, \old(a9)=0, a9={0:0}, ldv_global_msg_list={14:0}, ldv_malloc(sizeof(int))={15:0}] [L1437] a9 = (int *)ldv_malloc(sizeof(int)) [L1438] COND TRUE \read(*a9) [L1439] return 0; VAL [\old(a9)=0, \old(a9)=0, \result=0, a9={15:0}, ldv_global_msg_list={14:0}] [L1445] RET probe_9() VAL [\old(a9)=0, \old(a9)=0, a9={15:0}, ldv_global_msg_list={14:0}, probe_9()=0] [L1447] a9 = 0 VAL [\old(a9)=0, \old(a9)=0, a9={0:0}, ldv_global_msg_list={14:0}] [L1451] RET entry_point() VAL [\old(a9)=0, \old(a9)=0, a9={0:0}, ldv_global_msg_list={14:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 24 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-02 18:23:13,308 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 18:23:13,309 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 18:23:13,318 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 18:23:13,318 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 18:23:13,319 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 18:23:13,320 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 18:23:13,321 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 18:23:13,322 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 18:23:13,323 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 18:23:13,324 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 18:23:13,324 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 18:23:13,324 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 18:23:13,325 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 18:23:13,326 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 18:23:13,326 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 18:23:13,327 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 18:23:13,328 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 18:23:13,330 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 18:23:13,331 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 18:23:13,332 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 18:23:13,333 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 18:23:13,334 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 18:23:13,334 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 18:23:13,335 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 18:23:13,335 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 18:23:13,336 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 18:23:13,336 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 18:23:13,337 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 18:23:13,338 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 18:23:13,338 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 18:23:13,338 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 18:23:13,339 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 18:23:13,339 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 18:23:13,339 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 18:23:13,340 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 18:23:13,340 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2d1f3503-a053-469f-a60a-37e466f8aacc/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2018-12-02 18:23:13,350 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 18:23:13,350 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 18:23:13,351 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 18:23:13,351 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 18:23:13,351 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 18:23:13,351 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 18:23:13,352 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 18:23:13,352 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 18:23:13,352 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 18:23:13,352 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 18:23:13,352 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 18:23:13,352 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 18:23:13,353 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 18:23:13,353 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 18:23:13,353 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 18:23:13,353 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 18:23:13,353 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 18:23:13,353 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 18:23:13,353 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-02 18:23:13,354 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-02 18:23:13,354 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-02 18:23:13,354 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 18:23:13,354 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 18:23:13,354 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 18:23:13,354 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 18:23:13,354 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 18:23:13,355 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 18:23:13,355 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 18:23:13,355 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 18:23:13,355 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 18:23:13,355 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 18:23:13,355 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 18:23:13,355 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 18:23:13,355 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 18:23:13,356 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 18:23:13,356 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 18:23:13,356 INFO L133 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_2d1f3503-a053-469f-a60a-37e466f8aacc/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65e8bd283dc6e7975e65fd77e71d60d8f5feae6e [2018-12-02 18:23:13,379 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 18:23:13,387 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 18:23:13,389 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 18:23:13,390 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 18:23:13,390 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 18:23:13,391 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2d1f3503-a053-469f-a60a-37e466f8aacc/bin-2019/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test9_2_false-valid-memtrack_true-termination.i [2018-12-02 18:23:13,429 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2d1f3503-a053-469f-a60a-37e466f8aacc/bin-2019/utaipan/data/3bb4c421e/253b6f3def4446f0a2aab1071fd78827/FLAG36535b68d [2018-12-02 18:23:13,761 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 18:23:13,762 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2d1f3503-a053-469f-a60a-37e466f8aacc/sv-benchmarks/c/ldv-memsafety/memleaks_test9_2_false-valid-memtrack_true-termination.i [2018-12-02 18:23:13,769 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2d1f3503-a053-469f-a60a-37e466f8aacc/bin-2019/utaipan/data/3bb4c421e/253b6f3def4446f0a2aab1071fd78827/FLAG36535b68d [2018-12-02 18:23:14,158 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2d1f3503-a053-469f-a60a-37e466f8aacc/bin-2019/utaipan/data/3bb4c421e/253b6f3def4446f0a2aab1071fd78827 [2018-12-02 18:23:14,161 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 18:23:14,163 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 18:23:14,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 18:23:14,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 18:23:14,167 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 18:23:14,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:23:14" (1/1) ... [2018-12-02 18:23:14,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@659e65e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:23:14, skipping insertion in model container [2018-12-02 18:23:14,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:23:14" (1/1) ... [2018-12-02 18:23:14,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 18:23:14,199 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 18:23:14,382 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:23:14,394 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 18:23:14,469 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:23:14,508 INFO L195 MainTranslator]: Completed translation [2018-12-02 18:23:14,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:23:14 WrapperNode [2018-12-02 18:23:14,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 18:23:14,509 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 18:23:14,509 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 18:23:14,509 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 18:23:14,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:23:14" (1/1) ... [2018-12-02 18:23:14,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:23:14" (1/1) ... [2018-12-02 18:23:14,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 18:23:14,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 18:23:14,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 18:23:14,530 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 18:23:14,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:23:14" (1/1) ... [2018-12-02 18:23:14,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:23:14" (1/1) ... [2018-12-02 18:23:14,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:23:14" (1/1) ... [2018-12-02 18:23:14,537 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:23:14" (1/1) ... [2018-12-02 18:23:14,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:23:14" (1/1) ... [2018-12-02 18:23:14,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:23:14" (1/1) ... [2018-12-02 18:23:14,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:23:14" (1/1) ... [2018-12-02 18:23:14,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 18:23:14,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 18:23:14,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 18:23:14,545 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 18:23:14,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:23:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2d1f3503-a053-469f-a60a-37e466f8aacc/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 18:23:14,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 18:23:14,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-12-02 18:23:14,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-12-02 18:23:14,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 18:23:14,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 18:23:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 18:23:14,578 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 18:23:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-02 18:23:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure entry_point [2018-12-02 18:23:14,578 INFO L138 BoogieDeclarations]: Found implementation of procedure entry_point [2018-12-02 18:23:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure probe_9 [2018-12-02 18:23:14,578 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_9 [2018-12-02 18:23:14,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 18:23:14,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 18:23:14,701 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 18:23:14,702 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-02 18:23:14,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:23:14 BoogieIcfgContainer [2018-12-02 18:23:14,702 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 18:23:14,702 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 18:23:14,702 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 18:23:14,704 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 18:23:14,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:23:14" (1/3) ... [2018-12-02 18:23:14,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3882a018 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:23:14, skipping insertion in model container [2018-12-02 18:23:14,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:23:14" (2/3) ... [2018-12-02 18:23:14,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3882a018 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:23:14, skipping insertion in model container [2018-12-02 18:23:14,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:23:14" (3/3) ... [2018-12-02 18:23:14,708 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test9_2_false-valid-memtrack_true-termination.i [2018-12-02 18:23:14,713 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 18:23:14,717 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 18:23:14,726 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 18:23:14,739 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 18:23:14,739 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 18:23:14,740 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-02 18:23:14,740 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 18:23:14,740 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 18:23:14,740 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 18:23:14,740 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 18:23:14,740 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 18:23:14,740 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 18:23:14,747 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2018-12-02 18:23:14,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 18:23:14,753 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:23:14,754 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:23:14,756 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-02 18:23:14,760 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:23:14,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1289478430, now seen corresponding path program 1 times [2018-12-02 18:23:14,763 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-02 18:23:14,763 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2d1f3503-a053-469f-a60a-37e466f8aacc/bin-2019/utaipan/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-02 18:23:14,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:23:14,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:23:14,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:23:14,930 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 18:23:14,940 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-02 18:23:14,946 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-02 18:23:14,946 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# [2018-12-02 18:23:14,946 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-12-02 18:23:14,947 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-12-02 18:23:14,947 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-12-02 18:23:14,947 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-12-02 18:23:14,948 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-12-02 18:23:14,948 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-12-02 18:23:14,948 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-12-02 18:23:14,948 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-12-02 18:23:14,949 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-12-02 18:23:14,949 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-12-02 18:23:14,949 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-12-02 18:23:14,950 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-12-02 18:23:14,950 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-12-02 18:23:14,950 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-12-02 18:23:14,951 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-12-02 18:23:14,951 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-12-02 18:23:14,951 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-12-02 18:23:14,951 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-12-02 18:23:14,951 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-12-02 18:23:14,952 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT [2018-12-02 18:23:14,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:23:14 BoogieIcfgContainer [2018-12-02 18:23:14,957 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 18:23:14,957 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 18:23:14,957 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 18:23:14,958 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 18:23:14,958 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:23:14" (3/4) ... [2018-12-02 18:23:14,960 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 18:23:14,961 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 18:23:14,961 INFO L168 Benchmark]: Toolchain (without parser) took 799.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -113.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. [2018-12-02 18:23:14,962 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:23:14,962 INFO L168 Benchmark]: CACSL2BoogieTranslator took 345.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -162.6 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. [2018-12-02 18:23:14,963 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:23:14,963 INFO L168 Benchmark]: Boogie Preprocessor took 14.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:23:14,963 INFO L168 Benchmark]: RCFGBuilder took 157.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-12-02 18:23:14,964 INFO L168 Benchmark]: TraceAbstraction took 254.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-12-02 18:23:14,964 INFO L168 Benchmark]: Witness Printer took 3.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:23:14,966 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 345.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -162.6 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 157.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 254.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType STRUCT~~ldv_list_head?next~*ldv_list_head?prev~*ldv_list_head# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *INT * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1450]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1450. Possible FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1434] int *a9; VAL [\old(a9)=null, \old(a9)=null, \old(ldv_global_msg_list)=null, \old(ldv_global_msg_list)=null, a9={0:0}, ldv_global_msg_list={-2146401247:0}] [L1451] CALL entry_point() VAL [\old(a9)=null, \old(a9)=null, a9={0:0}, ldv_global_msg_list={-2146401247:0}] [L1445] CALL probe_9() VAL [\old(a9)=null, \old(a9)=null, a9={0:0}, ldv_global_msg_list={-2146401247:0}] [L1437] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(a9)=null, \old(a9)=null, \old(size)=4, a9={0:0}, ldv_global_msg_list={-2146401247:0}] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); VAL [\old(a9)=null, \old(a9)=null, \old(size)=4, \result={1082401:0}, a9={0:0}, ldv_global_msg_list={-2146401247:0}, malloc(size)={1082401:0}, size=4] [L1437] RET, EXPR ldv_malloc(sizeof(int)) VAL [\old(a9)=null, \old(a9)=null, a9={0:0}, ldv_global_msg_list={-2146401247:0}, ldv_malloc(sizeof(int))={1082401:0}] [L1437] a9 = (int *)ldv_malloc(sizeof(int)) [L1438] COND TRUE \read(*a9) [L1439] return 0; VAL [\old(a9)=null, \old(a9)=null, \result=0, a9={1082401:0}, ldv_global_msg_list={-2146401247:0}] [L1445] RET probe_9() VAL [\old(a9)=null, \old(a9)=null, a9={1082401:0}, ldv_global_msg_list={-2146401247:0}, probe_9()=0] [L1447] a9 = 0 VAL [\old(a9)=null, \old(a9)=null, a9={0:0}, ldv_global_msg_list={-2146401247:0}] [L1451] RET entry_point() VAL [\old(a9)=null, \old(a9)=null, a9={0:0}, ldv_global_msg_list={-2146401247:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 24 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...